NCERT Solutions for Chapter: Structure of the Atom, Exercise 8: Exercises
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Structure of the Atom, Exercise 8: Exercises
Attempt the practice questions on Chapter 4: Structure of the Atom, Exercise 8: Exercises with hints and solutions to strengthen your understanding. SCIENCE TEXTBOOK FOR CLASS IX solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Structure of the Atom, Exercise 8: Exercises with Hints & Solutions
J. J. Thomson proposed that the nucleus of an atom contains only nucleons.

A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.

The mass of an electron is about times that of proton.

An isotope of iodine is used for making tincture of iodine which is used as a medicine.

Rutherford's alpha-particle scattering experiment was responsible for the discovery of

Isotopes of an element have:

Number of valence electrons in ion is

Which one of the following is a correct electronic configuration of sodium?
